Published June 11, 2020 | Version 4
Dataset Open

Sunspot Daily Dataset (without Missing Values)

  • 1. PhD Student at Monash University
  • 2. Lecturer at Monash University
  • 3. Professor at Monash University
  • 4. Lecturer at University of Sydney


This dataset contains a single very long daily time series of sunspot numbers from 1818-01-08 to 2020-05-31. 

The original dataset contains missing values and they were replaced by carrying forward the corresponding last observations (LOCF method).


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Additional details

Related works


  • Sunspot, 2015. Sunspot number version 2.0: new data and conventions. URL